Pollen degrades very quickly. But, I have kept vacuum sealed containers of dry pollen in the freezer for up to 2 years and it was still viable although not as potent. Maybe 1/4 of the amount of seeds. It’s honestly easier to keep a father plant.

It looks like a calcium deficiency.

What medium are you growing in, how often do you feed/water, and do you have a pH meter?

I usually see rare genetics being live auctioned in various live chats and podcasts. Used to be forums.

Check out CSIHumboldt on Seeds Here Now. Inspecta has made some solid gear.

A lot depends on what you’re looking for and then authenticity becomes a factor as well.

I store seeds in a freezer. Won’t be an issue. Watch for moisture. If you’re extra concerned, let them sit overnight spread on a paper towel.

I’ve had luck with MedicGrow. Migro has reviewed at least one of their lights. I’ve been sold on their stuff since.